Home / 13,847.40-19,080.90-10,693.80

Finding the Fourth Proportional to 13,847.40, 19,080.90 and 10,693.80

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Solution

The fourth proportional to 13,847.40, 19,080.90 and 10,693.80 is: 14,735.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,847.40 : 19,080.90 = 10,693.80 : x
  2. Step 2: Convert to fraction form
    13,847.40/19,080.90 = 10,693.80/x
  3. Step 3: Cross multiply
    13,847.40x = 19,080.90 × 10,693.80
  4. Step 4: Simplify right side
    13,847.40x = 204,047,328.42
  5. Step 5: Solve for x
    x = 204,047,328.42/13,847.40
  6. Step 6: Final answer
    x = 14,735.43

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.